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Finding the Fourth Proportional to 2,160.57, 3,240.20 and 600.19

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Solution

The fourth proportional to 2,160.57, 3,240.20 and 600.19 is: 900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.57 : 3,240.20 = 600.19 : x
  2. Step 2: Convert to fraction form
    2,160.57/3,240.20 = 600.19/x
  3. Step 3: Cross multiply
    2,160.57x = 3,240.20 × 600.19
  4. Step 4: Simplify right side
    2,160.57x = 1,944,732.64
  5. Step 5: Solve for x
    x = 1,944,732.64/2,160.57
  6. Step 6: Final answer
    x = 900.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.